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Database Keys MCQ with Answers PDF

Database Keys Multiple Choice Questions (MCQ), Database Keys quiz answers PDF with database systems career tests for online courses. Practice introduction to rdbms Multiple Choice Questions and Answers (MCQs), Database Keys quiz questions for CS major. Database Keys Interview Questions: dbms keys, structure of relational model test prep for best online schools for computer science.

"A set of one or more attributes that collectively, allow us to identify uniquely a tuple in the relation, is known as" MCQ PDF on database keys with choices unique key, special key, super key, and primary key for CS major. Practice database keys quiz questions for merit scholarship test and certificate programs for applied computer science.

MCQs on Database Keys Quiz

MCQ: A set of one or more attributes that collectively, allow us to identify uniquely a tuple in the relation, is known as

Unique key
Special key
Super key
Primary key

MCQ: No two tuples in a relation are allowed to have exactly the same value for

Some attributes
All attributes
Some tuple
All tuples

MCQ: Specifying tuples within a given relation, are expressed in terms of the

Attributes
Variables
Function
Domain

MCQ: A superkey may contain extraneous

Attributes
Keys
Instances
Entries

MCQ: The values of the attribute values of a tuple must be such that they can uniquely identify the

Instance
Entity
Relation
Tuple

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